<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>活动管理</el-breadcrumb-item>
            <el-breadcrumb-item>活动列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card class="box-card">
            <!-- 搜索与添加区域 -->
            <el-row :gutter="24">
                <el-col :span="16">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="8">
                    <el-button type="primary" @click="dialogVisible = true">添加用户</el-button>
                </el-col>
                <!-- 添加用户对话框     dialog是隐藏的 -->
                <el-dialog title="提示" :visible.sync="dialogVisible" width="50%" @close="addDialogClose">
                    <!-- 验证表单 -->
                    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                        <el-form-item label="用户名" prop="username">
                            <el-input v-model="addForm.username"></el-input>
                        </el-form-item>
                        <el-form-item label="密码" prop="password">
                            <el-input v-model="addForm.password"></el-input>
                        </el-form-item>
                        <el-form-item label="邮箱" prop="email">
                            <el-input v-model="addForm.email"></el-input>
                        </el-form-item>
                        <el-form-item label="手机" prop="mobile">
                            <el-input v-model="addForm.mobile"></el-input>
                        </el-form-item>
                    </el-form>
                    <span slot="footer" class="dialog-footer">
                        <el-button @click="dialogVisible = false">取 消</el-button>
                        <el-button type="primary" @click="addUser">确 定</el-button>
                    </span>
                </el-dialog>
            </el-row>
            <!-- 用户列表区域 -->
            <el-table :data="userList" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态" prop="mg_state">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                        <el-tooltip effect="dark" content="修改操作" placement="top">
                            <el-button type="primary" icon="el-icon-edit" size="mini"
                                @click="showEditDialog(scope.row.id)">
                            </el-button>
                            <!-- 删除按钮 -->
                        </el-tooltip>
                        <el-tooltip effect="dark" content="删除操作" placement="top">
                            <el-button type="danger" icon="el-icon-delete" size="mini"
                                @click="removeUserById(scope.row.id)"></el-button>
                        </el-tooltip>
                        <!-- 分配角色按钮 -->
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)">
                            </el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 修改操作对话框 -->
            <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
                <!-- 表单 -->
                <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                    <el-form-item label="用户名">
                        <el-input v-model="editForm.username" disabled></el-input>
                    </el-form-item>
                    <el-form-item label="邮箱" prop="email">
                        <el-input v-model="editForm.email"></el-input>
                    </el-form-item>
                    <el-form-item label="手机号" prop="mobile">
                        <el-input v-model="editForm.mobile"></el-input>
                    </el-form-item>
                </el-form>
                <!-- 按钮 -->
                <span slot="footer" class="dialog-footer">
                    <el-button @click="editDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="editUserInfo">确 定</el-button>
                </span>
            </el-dialog>
            <!-- 分配角色对话框 -->
            <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
                <div>
                    <p>当前的用户:{{userinfo.username}}</p>
                    <p>当前的角色:{{userinfo.role_name}}</p>
                    <p>分配新角色:
                        <el-select v-model="selectedRoleId" placeholder="请选择">
                            <el-option v-for="item in roleList" :key="item.id" :label="item.roleName" :value="item.id">
                            </el-option>
                        </el-select>
                    </p>
                </div>
                <!-- 按钮 -->
                <span slot="footer" class="dialog-footer">
                    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
                </span>
            </el-dialog>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>
    </div>

</template>

<script>
    export default {
        data() {
            // 自定义验证邮箱的规则
            var checkEmail = (rules, value, cb) => {
                const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
                if (regEmail.test(value)) {
                    return cb();
                } else {
                    cb(new Error('请输入合法的邮箱'))
                }
            }
            // 自定义验证手机号的规则
            var checkMobile = (rules, value, cb) => {
                const regMobile = /^(0|86|17951)?(13[0-9]|15[0-9|17[678]|18[0-9]|14[57])[0-9]{8}$/
                if (regMobile.test(value)) {
                    return cb();
                } else {
                    cb(new Error('请输入合法的手机号'))
                }
            }
            return {
                // 查询条件对象
                queryInfo: {
                    query: '', //搜索内容
                    pagenum: 1, //当前页数
                    pagesize: 2 //当前每页显示几条数据
                },
                userList: [],
                roleList: [], //所以分配角色对话框角色列表
                selectedRoleId: '', //已选择的角色Id值
                total: 0,
                userinfo: {}, //分配角色用户信息
                dialogVisible: false, //添加用户对话框的显示隐藏
                editDialogVisible: false, //修改用户对话框显示与隐藏
                setRoleDialogVisible: false, //分配角色对框显示与隐藏
                addForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: ''
                }, //添加用户的表单数据
                editForm: { //查询到的用户信息对象

                },
                addFormRules: {
                    username: [
                        { required: true, message: '请输入用户名', trigger: 'blur' },
                        { min: 3, max: 10, message: '用户名在3到10个字符之间', trigger: 'blur' }
                    ],
                    password: [
                        { required: true, message: '请输入密码', trigger: 'blur' },
                        { min: 6, max: 15, message: '密码在6到15个字符之间', trigger: 'blur' }
                    ],
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ]
                }, //添加表单的验证规则
                editFormRules: {
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ]
                },//修改用户信息表单验证规则对象
            }
        },
        created() {
            this.getUserList();
        },
        methods: {
            // 获取用户列表
            async getUserList() {
                const { data: res } = await this.$http.get('/users', { params: this.queryInfo })
                if (res.meta.status == 200) {
                    this.userList = res.data.users;
                    this.total = res.data.total;
                    console.log(res.data)
                } else {
                    return this.$message.error('获取用户列表失败')
                }
            },
            // 监听pagezise改变的事件
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize;
                this.getUserList();
            },
            // 监听页码值改变的事件
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage;
                this.getUserList();
            },
            // 监听Switch状态
            async userStateChange(userinfo) {
                const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`);
                if (res.meta.status == 200) {
                    console.log(userinfo)
                    userinfo.mg_state = userinfo.mg_state;
                    this.$message.success('更新用户状态成功')
                } else {
                    this.$message('用户更新状态失败')
                }
            },
            // 监听添加用户对话框的关闭事件并重置表单
            addDialogClose() {
                this.$refs.addFormRef.resetFields();
            },
            // 点击按钮,添加用户预校验
            addUser() {
                this.$refs.addFormRef.validate(async valid => {
                    if (valid) {
                        const { data: res } = await this.$http.post('/users', this.addForm);
                        if (res.meta.status == 201) {
                            this.$message.success('添加用户成功!');
                            // 修改<el-dialog title="提示" :visible.sync="dialogVisible"
                            this.dialogVisible = false;
                            // 刷新用户列表数据
                            this.getUserList();
                        } else {
                            this.$message.error('添加用户失败!');
                        }
                    } else {
                        return
                    }
                })
            },
            // 展示编辑用户的对话框
            async showEditDialog(id) {
                const { data: res } = await this.$http.get('users/' + id);
                console.log(res)
                if (res.meta.status == 200) {
                    this.editForm = res.data;
                } else {
                    return this.$message.error('查询用户信息失败')
                }
                this.editDialogVisible = true;
            },
            // 监听修改用户对话框关闭事件
            editDialogClose() {
                this.$refs.editFormRef.resetFields();
            },
            // 修改用户信息并提交
            editUserInfo() {
                this.$refs.editFormRef.validate(async valid => {
                    if (!valid) {
                        return this.$message.error('修改错误,请检查')
                    } else {
                        const { data: res } = await this.$http.put('users/' + this.editForm.id,
                            {
                                email: this.editForm.email,
                                mobile: this.editForm.mobile
                            }
                        )
                        if (res.meta.status == 200) {
                            this.editDialogVisible = false;
                            this.getUserList();
                            this.$message.success('修改成功');
                        } else {
                            this.$message.error('更新用户信息失败');
                        }
                    }
                })
            },
            // 根据id删除对应用户信息
            async removeUserById(id) {
                const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(error => {
                    return error;
                })
                if (confirmResult == 'confirm') {
                    const { data: res } = await this.$http.delete('users/' + id)
                    if (res.meta.status == 200) {
                        this.$message.success('删除成功');
                        this.getUserList();
                    } else {
                        this.$message.error('删除失败');
                    }
                } else {
                    return this.$message.info('已取消操作');
                }
            },
            // 展示分配角色的对话框
            async setRole(userinfo) {
                this.userinfo = userinfo;
                const { data: res } = await this.$http.get('roles');
                if (res.meta.status == 200) {
                    this.roleList = res.data;
                } else {
                    this.$message.error('获取角色列表失败');
                }
                this.setRoleDialogVisible = true;
            },
            // 点击按钮分配角色
            async saveRoleInfo() {
                if (!this.selectedRoleId) {
                    return this.$message.error('请选择要选择的角色');
                } else {
                    const { data: res } = await this.$http.put(`users/${this.userinfo.id}/role`,
                        {
                            rid: this.selectedRoleId
                        });
                    if (res.meta.status == 200) {
                        this.$message.success('更新角色成功');
                        this.getUserList();
                        this.setRoleDialogVisible = false;
                    } else {
                        this.$message.error('分配角色失败')
                    }
                }
            },
            // 监听分配角色对话框之后情况待选项
            setRoleDialogClosed() {
                this.selectedRoleId = '';
                this.userinfo = {};
            }
        }
    }

</script>

<style lang="scss" scoped>

</style>